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ORAL REHABILITATION OF UNSTABLE OCCLUSION DUE TO SEVERELY DESTRUCTED FIRST PERMANENT MOLARS

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Abstract

9¼¼µÈ ³²¾Æ°¡ ºÒ¾ÈÁ¤ÇÑ ±³ÇÕÀ» ÁÖ¼Ò·Î ³»¿øÇÏ¿´´Ù. ȯ¾ÆÀÇ Á¦1´ë±¸Ä¡´Â Ä¡¾Æ¿ì½ÄÁõÀ¸·Î ±¤¹üÀ§ÇÏ°Ô Ä¡ÆÇÀÌ ÆÄÇǵǾî ȯ¾Æ´Â ÀÚ½ÅÀÇ ±³µÎ°¨ÇÕÀ§¸¦ ãÁö ¸øÇØ ÇϾÇÀ» º¯À§½ÃÅ°¸é¼­ ±³ÇÕÀ» ÇÏ¿´°í Æ󱸽ø¶´Ù µ¿ÀÏÇÑ À§Ä¡·Î ´Ù¹°Áö¸¦ ¸øÇÏ¿´´Ù.
ÀÓ»ó°Ë»ç¿Í ¹æ»ç¼± °Ë»ç¸¦ ÅëÇÏ¿© Á¦1´ë±¸Ä¡¿¡ Å©¶ó¿î ¼öº¹À» ÇÏ¿© ¾ÈÁ¤ÀûÀÎ ±³ÇÕÀ¸·Î ±³ÇÕÀç°ÇÀ» ÇØÁÖ±â·Î ÇÏ¿´´Ù. Ä¡·á¿¡ ¾Õ¼­ ¾ÈÁ¤À§·Î À¯µµÇÏ¿© ȯ¾Æ¿¡°Ô ¾ÈÁ¤À§·Î Æó±¸Çϵµ·Ï ±³À°ÇÏ¿´°í, ±Ù÷Çü¼º¼ú(apexification)À» Æ÷ÇÔÇÑ ±Ù°üÄ¡·á¿Í interocclusal spaceÈ®º¸¸¦ À§ÇÑ Ä¡°ü¿¬Àå¼ú°ú ¼öÁ÷°í°æÀÇ °Å»óÀ» °èȹÇÏ¿´´Ù.
±Ù°üÄ¡·á¿Í Ä¡°ü¿¬Àå¼ú ÈÄ º¸Ã¶¹° Á¦ÀÛÀ» À§ÇØ Ä¡¾Æ¸¦ »èÁ¦ÇÏ°í ¾ÈÁ¤À§¸¦ ±âÁØÀ¸·Î ¼öÁ÷°í°æÀ» Áõ°¡½ÃÄÑ ÀÓ½ÃÄ¡°üÀ» Á¦ÀÛ ¹× ÀåÂøÇÏ°í 1°³¿ù µ¿¾È ÀûÀÀ¿©ºÎ¸¦ °üÂûÇÏ¿´´Ù. 1°³¿ù ÈÄ ¾Ç°üÀýÀå¾ÖµîÀÇ Áõ»óÀÌ ¾ø¾î Å©¶ó¿îÀ» Á¦ÀÛÇÏ¿´°í, À̸¦ ´Ù½Ã ÀÓ½ÃÀåÂøÇÏ°í 1°³¿ùµ¿¾È °üÂûÇÏ¿© ¾Æ¹«·± Áõ»óÀ̳ª ºÒÆí°¨ÀÌ ¾ø¾î ÃÖÁ¾Á¢ÂøÀ» ÇÏ¿´´Ù. Å©¶ó¿îÀ» ÃÖÁ¾ÀåÂøÇÑÁö 4°³¿ù ÈÄ °Ë»ç¿¡¼­ ȯ¾Æ´Â ¾ÈÁ¤ÀûÀÎ ±³ÇÕÀ» Çü¼ºÇØ°¡°í ÀÖ¾ú°í, Å©¶ó¿îÀ» óÀ½ ÀåÂøÇßÀ» ¶§ º¸¿´´ø ÀüÄ¡ºÎ °³¹æ±³ÇÕµµ °³¼±µÇ¾î Á¤»óÀûÀÎ ¼öÆí, ¼öÁ÷ÇÇ°³ ±³ÇÕÀ» º¸ÀÌ°í ÀÖ¾ú´Ù.
A 9-year-old boy visited Department of Pediatric dentistry, Chonbuk National University Hospital due to unstable occlusion. He had permanent 1st molars destructed severely by dental caries and lost vertical stop. He could not occlude in the same position on closing of the jaw since he could not find his centric occlusion.
The treatment plan was made, which was oral rehabilitation with crown restorations on permanent 1st molars based on clinical and radiographic examinations and centric relation of the jaw. Treatment plan consisted of endodontic treatment, crown lengthening and restoration of the occlusal vertical dimension (OVD) with gold crown by 3mm-increase of OVD.
After endodontic and periodontal treatments, temporary crowns made of acrylic resin were set for assessment of tolerance to an increased OVD. After a month for tolerance, final prosthetics were made and set temporarily. In a month, gold crowns were set finally. Immediately after setting, the patient showed anterior open bite, but at the appointment after 4 months, he showed normal overjet, overbite and stable occlusion.

Å°¿öµå

±³ÇÕ;±³ÇÕÀç°Ç;Áß½ÉÀ§;¼öÁ÷°í°æ;Å©¶ó¿î;Occlusion;Oral rehabilitation;Centric relation;Occlusal vertical dimension;Crown

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